Finding the Fourth Proportional to 1,946.30, 2,915.96 and 1,067.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,946.30 : 2,915.96 = 1,067.86 : x
2. Step 2: Convert to fraction form
   1,946.30/2,915.96 = 1,067.86/x
3. Step 3: Cross multiply
   1,946.30x = 2,915.96 × 1,067.86
4. Step 4: Simplify right side
   1,946.30x = 3,113,817.13
5. Step 5: Solve for x
   x = 3,113,817.13/1,946.30
6. Step 6: Final answer
   x = 1,599.86